6 4 



T. OKADA 



vertical rod, with a few sensilla subapically. Hypandrial plate elongate, basally broad. Ventral 

 fragma V-shaped, p.f. = aBCdEfg HikLmn. Egg-guide lobe robust, brownish black, 

 abruptly narrowing proximally, broadly truncate distally, with about twenty-four marginal and 

 seventeen discal strong black pointed teeth. Basal isthmus black, short, one-sixth as long as 

 egg-guide lobe. 



178 



Figs. 176—182. Scaptomyza silvata sp. n 



aspect ; 178, <J wing ; 179, $ egg-guide 

 phallic organs, ventral aspect 



176, o* head, lateral aspect ; 177, $ head, dorsal 

 - ^6& guide ; 180, aedeagus, lateral aspect ; 18 r, 

 182, periphallic organs, lateral aspect. 



